The possibility of developing a cancer is probably the major concern for the use of estrogens and oral contraceptives. Early studies showed that estrogens can induce tumors of the breast, uterus, testis, bone, kidney and several other tissues in various animal species. Should we really fear?

Although meningitis is a serious disease, vaccination is not recommended as a routine for small children and adults. CDC recommends shots only for children at the age of 11 - 16 years old or people living in specific conditions.

There has been a dramatic worldwide increase in the prevalence of obesity, which is associated with substantial morbidity and mortality from cardiovascular and other diseases. Medications are one of the options for the treatment of obesity.

Pain is an unpleasant sensation localized in a part of the body. It is often described in physical terms as stabbing, burning, twisting, tearing, squeezing or an emotional reaction like terrifying, nauseating or sickening.

In the history of medications there are not many drugs like Aspirin, which started in the world as a painkiller and later became doctors' favorite prescription for controlling cardiovascular diseases. But what about side effects? Is it good to take it every day?